제출 #28506

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
28506		맞왜틀 맞왜틀 신나는노래~ 헤이! 나도한번 불러보자 (#68)	Play Onwards (FXCUP2_onward)	C++11	0 / 1	9 ms	2212 KiB

onward

#include <cstdio>
#include <string.h>
#include <cstdio>
#include <vector>
#include <queue>
#include <memory.h>
#include <string>
#include <cstdlib>
std::string s[300];
int N, K;
std::vector<int> G[300];
bool same(std::string s1, std::string s2){
    for(int i = 0; i+K-1 < s1.size();i++){
        for(int j = 0; j+K-1 <s2.size();j++){
            int flag = true;
            for(int k =0; k < K;k++){
                flag &= s1[i+k] == s2[j+k];
            }
            if(flag) return true;
        }
    }
    return false;
}
int color[300];

void dfs(int idx, int c){
    if(color[idx] != -1){
        if(color[idx] == c) return;
        else {
            printf("No\n");
            exit(0);
        }
    }
    color[idx] = c;
    for(auto i : G[idx]){
        dfs(i,!c);
    }
}
int main(){
    memset(color,-1,sizeof(color));
    scanf("%d%d",&N,&K);
    for(int i =0 ; i <N;i++){
        char str[100];
        scanf("%s",str);
        s[i] = str;
    }
    for(int i = 0; i < N; i++){
        for(int j = i+1; j < N; j++){
            if(same(s[i],s[j]))
            {
                G[i].push_back(j);
                G[j].push_back(i);
            }
        }
    }
    for(int i = 0; i < N; i++){
        if(color[i] == -1) dfs(i,0);
    }
    printf("Yes\n");
    for(int i =0; i < N; i++){
        printf("%d\n",color[i]+1);
    }

}

컴파일 시 표준 에러 (stderr) 메시지

onward.cpp: In function 'bool same(std::__cxx11::string, std::__cxx11::string)':
onward.cpp:13:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i+K-1 < s1.size();i++){
                          ^
onward.cpp:14:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j = 0; j+K-1 <s2.size();j++){
                              ^
onward.cpp: In function 'int main()':
onward.cpp:41:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&N,&K);
                        ^
onward.cpp:44:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",str);
                        ^

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